public void Add(string key, T value)
{
HitCounterCacheItem item = new HitCounterCacheItem(value);
readWriteLock.EnterReadLock();
try
{
if (data.TryAdd(key, item))
{
item.IncreaseHitCount();
}
else
{
//Already exits
if (data.TryGetValue(key, out item))
{
item.IncreaseHitCount();
}
}
}
finally
{
readWriteLock.ExitReadLock();
}
}
/// <summary>
/// Thread safe method
/// </summary>
/// <param name="func"></param>
internal void DeleteIf(Func <HitCounterCacheItem, bool> func)
{
readWriteLock.EnterWriteLock();
try
{
foreach (var key in data.Keys)
{
HitCounterCacheItem value = data[key];
if (func(value))
{
data.TryRemove(key, out value);
}
}
}
finally
{
readWriteLock.ExitWriteLock();
}
}
